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Suhas Kumar, Matthew D. Pickett, John Paul Strachan, Gary Gibson, Yoshio Nishi and R. Stanley Williams Local Temperature Redistribution and Structural Transition During Joule-Heating-Driven Conductance Switching in VO2 Advanced Materials 25

Version of Record online: 19 JUL 2013 | DOI: 10.1002/adma.201302046

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Joule-heating induced conductance-switching is studied in VO2, a Mott insulator. Complementary in situ techniques including optical characterization, blackbody microscopy, scanning transmission X-ray microscopy (STXM) and numerical simulations are used. Abrupt redistribution in local temperature is shown to occur upon conductance-switching along with a structural phase transition, at the same current.

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